Apparatus for electrothermal printing

Details Apparatus for electrothermal printing Apparatus for electrothermal printing

1986-08-19

1987-11-03

Evans, Arthur G.

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Thermal recording

219543, 346162, G01D 1510

Patent

active

047046163

ABSTRACT:
An apparatus for electrothermal printing using an ink film which has a layer of fusible ink on a resistive layer. The resistive layer is contact by a plurality of stylus electrodes which are formed on an insulating substrate. A potential difference applied to pairs of adjacent electrodes heats the resistive layer, allowing fusible ink to be transferred to a transfer sheet to form picture elements. A plurality of picture elements can be produced simultaneously by dividing the styluses into N groups, represented as N.times.J+1, N.times.J+2, etc., where J is 0, 2, 3, . . . , and N is an odd number greater than 3. The groups are printed, one after the other, by energizing styluses which correspond to the picture elements to form a picture.

REFERENCES:
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patent: 4030588 (1977-06-01), Hanagata et al.
patent: 4071849 (1978-01-01), Koyano et al.
patent: 4151311 (1974-04-01), Feldstein
patent: 4345845 (1982-08-01), Bohnhoff et al.
patent: 4368491 (1983-01-01), Saito
patent: 4399749 (1983-08-01), Arai
patent: 4423424 (1983-12-01), Takayama
patent: 4516135 (1985-05-01), Todoh
"Universal `Printhead`", by Kuntzleman et al, IBM Tech. Disclosure Bulletin, vol. 25, No. 4, Sep. 84, pp. 2117-2119.

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